SECTION 6: MAINTENANCE
AIR N ARC
®
300 SERIES ALL-IN-ONE POWER SYSTEM
®
PAGE - 84
090010-OP_r0
body, replace the valve body back into the
mounting position. Retighten body securely.
9. Replace the grub screw [
C
] into position on
valve body [
D
], and hand-tighten. Replace
the lock nut [
B
] over the grub screw, and
position it loosely over the grub screw.
6.5.11.1 SETTING THE MINIMUM PRESSURE
VALVE
1. Start the machine and allow it to assume idle
speed.
2. Start the compressor and allow it to
accumulate pressure build-up.
3. Using the panel pressure gauge as a guide,
adjust the grub screw [
C
] until minimum
pressure level is achieved.
4. Tighten the lock nut [
B
] to secure the grub
screw at the proper minimum pressure level.
6.5.12 INSPECTING THE SYSTEM COOLERS
Refer to
Figure 6-13
. Periodically as per
Section 6.3,
Maintenance Schedule Table
, inspect the cooler fins of
both the engine and the compressor for any build up of
dirt or contamination. Should any residue appear during
inspection, clear with the use of air blown across the
surface of the cooler fins.
6.5.13 CHECKING THE ENGINE OIL
Refer to
Figure 6-14
. The engine oil level is checked
often and periodically as per the maintenance schedule
intervals suggested in
Section 6.3, MAINTENANCE
SCHEDULE TABLE
. Check the engine oil level when the
engine is off, and the oil allowed to settle.
1. Locate the engine dipstick handle [
A
] and
remove.
TOOLS NEEDED
REPLACEMENT
PART(S)
Clean Cloth
Engine Oil
I
I
Engine may need additional amount of oil if low. Consult
Engine Operator’s Manual for oil grade used, amount
needed, and oil change intervals.
NOTE
Refer to the Engine Operator’s Manual
for detailed maintenance and
replacement procedures for the engine.
NOTE
Use only low pressure air to clean the
cooler fins. DO NOT use high pressure
air or a pressure washer.
